Logging apparatus



A. W. BROWN. LOGGING APPARATUS.

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ANDERSON WV. BROWN, OFA RHINELANDER, VVIISCONSIN.

LOGGING APPARATUS.

SPECIFICATION forming part of Letters Patent No. 525,944, datedSeptember 11, 1,894.

Application tiled November 9, 1893. Serial No. 490,428. (No model.)

To a/ZZ whom it may concern:

Be it known that I, ANDERSON W. BROWN, of Rhinelander, in the county ofOneida and State of Wisconsin, have invented a new and Improved LoggingApparatus, of which the following is a full, clear, and exactdescription.

My lnvention relates to improvements in an apparatus which is primarilydesigned for drawing logs over icy roads, although it may b e used fordrawing other material. In logging countries where my apparatus is to beused, the road is made icy by sprinkling water on it and permitting thewater to freeze, after which ruts are cut in which the runners of thesleighs may run.

The object of my inventionis to produce a simple apparatus which isadapted to run on roads of this kind and draw after it heavy loads, andwhich is provided with a series of legs operated by a motor ou theapparatus and adapted to engagev the ice in the road and push theapparatus forward, the legs being arranged so that some of them willalways be pushing and so that they will push evenly and cause theapparatus to go straight ahead. f

To these ends my invention consists of certain features of constructionand combinations of parts, as will be hereinafter described and claimed.

Reference is to be had to the accompanying drawings, forming a part ofthis specification, in which similar figures of reference indicatecorresponding parts in both the views.

Figure l is a plan View of the apparatus embodying my invention; andFig. 2 is a longitudinal section on the line 2-f2 of Fig. 1.

The apparatus is provided with a sleigh which may be of any ordinaryconstruction, either after the form of common bob-sleighs or singlesleighs, and on the sleigh is a bed frame 11 which carries transverseshafts 12 and 13, these being mounted in suitable bearings 14 and theseshafts are provided with Sprocket wheels 15 which are connected by achain 16, and one of the shafts is provided with a crank wheel 17 whichconnects by means of a pitman 18 with an engine 19 which may be of anyapproved form and which,together with its .boiler 20, is mounted on aplatform 21 carried by the bed frame 11.

Each shaft 12 and 13 is provided with a series of eccentrics 22, thesebeing differently arranged on the shafts, as shown in the drawings,'andthe eccentrics are encircled by the usual eccentric straps 23, which areformed on rearwardly projecting legs 2l, each leg terminating at itsrear end in a foot 25 which is somewhat larger in cross section than thebody portion of the leg to prevent it from clogging; and each footisprovided with a swallow-tail cut which forms a toe 26 adapted to engagethe ice in the road, and this toe may be a part of the leg or may beinserted or adjustable and fastened to the leg. This arrangement of thefoot causes it to readily dig into the ice and it provides forclearance,

so that the foot cannot become clogged and inoperative.

The eccentrics are arranged in pairs, that is, so that two eccentrics atequal distances from the center of the shaft will, at the same time,actuate the legs connected with them so as to cause two feet, at equaldistances from the center of the sleigh, to simultaneously engage theice and thus prevent the sleigh from slewing. The eccentrics on the twoshafts are also arranged with relation to each other, so that at alltimes two feet will be pushing on the ice, and the angles of the legsare such that the legs will not shift on their shafts to any appreciableextent, but will have a tendency to throw the sleigh 10 forward.

The sleigh 27 or a train of sleighs may be coupled to the rear end ofthe sleigh 10 and loaded with logs 28, so that when the sleigh 10 ispropelled alarge quantity of logs may be drawn after it.

It will be seen that when the engine is set in motion the legs 24: willoperate in pairs, one pair after the other, so that the whole apparatuswill be propelled, and it will be understood that the apparatus may bepushed over any ordinary winter road, that the sleigh and the bed framemay be of any approved construction, that any suitable motor may be usedfor working the legs, and that the load may be attached to the sleigh 10in any convenient manner without aifecting the principle of myinvention.

Having thus fully described my invention, I

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claim as new and desire to secure by Letters Patentl. The combinationwith a sled, and motor mounted thereon, of two shafts mounted on thesled, each shaft being provided with a sprocket wheel at one end, andone of them with a crank, a chainpassing around the sprocket wheels, apitnian connecting the crank with the motor, eccentrics arranged inpairs on each shaft, and legs having straps at their upper endsencircling the eccentrics and provided with feet at their lower ends,substantially as described.

2. The combination with a sled, an engine mounted thereon, two shaftsmounted on the Vthe shaft and legs having straps at their upper endsencircling the eccentrics and pro vided with feet at their lower ends,each foot being provided with swallow-tail cut forming a toe,substantially as herein shown and described.

ANDERSON W. BROWN.

Witnesses: GEO. R. REED, E. O. BROWN.

